Cemetery Perpetual Care Trusts Schedule of Unrealized Loss on Investments (Details) - USD ($) $ in Thousands	Dec. 31, 2015	Dec. 31, 2014
Cemetery Perpetual Care [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	$ 657,629	$ 708,011
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(28,188)	(20,990)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	344,426	35,581
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(60,395)	(13,031)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	1,002,055	743,592
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(88,583)	(34,021)
US Treasury Securities [Member] | Cemetery Perpetual Care [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	3,275	497
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(80)	(4)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	35	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(1)	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	3,310	497
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(81)	(4)
Foreign Government Debt Securities [Member] | Cemetery Perpetual Care [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	18,499	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(164)	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	1,371	7,825
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(102)	(233)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	19,870	7,825
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(266)	(233)
Corporate Debt Securities [Member] | Cemetery Perpetual Care [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	5,163	4,656
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(134)	(108)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	4,147	3,198
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(150)	(102)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	9,310	7,854
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(284)	(210)
Residential Mortgage Backed Securities [Member] | Cemetery Perpetual Care [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	303	256
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(3)	(5)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	117	69
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(6)	(1)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	420	325
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(9)	(6)
Asset-backed Securities [Member] | Cemetery Perpetual Care [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	145	373
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(12)	(4)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	360	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(19)	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	505	373
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(31)	(4)
Preferred Stock securities [Member] | Cemetery Perpetual Care [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	4,029	2,224
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(159)	(11)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	0	49
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	0	(1)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	4,029	2,273
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(159)	(12)
US Common Stock Securities [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		192,015
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses		(11,706)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		585
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses		0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		192,600
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses		(11,706)
US Common Stock Securities [Member] | Cemetery Perpetual Care [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	81,624	100,370
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(7,793)	(4,803)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	14,900	419
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(3,105)	(78)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	96,524	100,789
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(10,898)	(4,881)
Canada Common Stock Securities [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		2,069
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses		(319)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		778
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses		(522)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		2,847
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses		(841)
Canada Common Stock Securities [Member] | Cemetery Perpetual Care [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	702	2,418
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(31)	(244)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	1,026	757
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(575)	(352)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	1,728	3,175
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(606)	(596)
Other International Common Stock Securities [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		28,308
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses		(2,395)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses		0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		28,308
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses		(2,395)
Other International Common Stock Securities [Member] | Cemetery Perpetual Care [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	8,734	4,444
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(940)	(399)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	2,347	0
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(1,450)	0
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	11,081	4,444
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(2,390)	(399)
Equity Funds [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		303,211
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses		(18,329)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		1,577
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses		(101)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		304,788
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses		(18,430)
Equity Funds [Member] | Cemetery Perpetual Care [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	4,580	2,601
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(606)	(85)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	1,258	153
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(1,244)	(8)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	5,838	2,754
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(1,850)	(93)
Fixed Income Funds [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		159,572
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses		(4,106)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		15,113
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses		(596)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		174,685
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses		(4,702)
Fixed Income Funds [Member] | Cemetery Perpetual Care [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	519,981	576,890
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(18,205)	(14,177)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	294,309	2,581
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(45,708)	(86)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	814,290	579,471
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	(63,913)	(14,263)
Private Equity Funds [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		88
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses		(100)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		7,518
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses		(6,083)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		7,606
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses		(6,183)
Private Equity Funds [Member] | Cemetery Perpetual Care [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value	10,594	9,213
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses	(61)	(798)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value	24,556	14,254
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses	(8,035)	(9,990)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value	35,150	23,467
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses	$ (8,096)	(10,788)
Other Investments [Member] | Cemetery Perpetual Care [Member]
Schedule of unrealized loss on investments [Line Items]
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than Twelve Months, Fair Value		4,069
Available-for-sale Securities, Continuous Unrealized Loss Position, Less than 12 Months, Aggregate Losses		(352)
Available-for-sale Securities, Continuous Unrealized Loss Position, Twelve Months or Longer, Fair Value		6,276
Available-for-sale Securities, Continuous Unrealized Loss Position, 12 Months or Longer, Aggregate Losses		(2,180)
Available-for-sale Securities, Continuous Unrealized Loss Position, Fair Value		10,345
Available-for-sale Securities, Continuous Unrealized Loss Position, Aggregate Losses		$ (2,532)